रथानां द्वौ त्रिभागावङ्गेष्वावापयेत् शेषमुरस्यं स्थापयेत् ॥ कZ_१०.५.२१ ॥
rathānāṃ dvau tribhāgāvaṅgeṣvāvāpayet śeṣamurasyaṃ sthāpayet
Of the chariots, one should add two-thirds to the ‘limbs’ (aṅga: wings/flanks), and place the remainder in the center.
It concentrates mobile striking power on the flanks for envelopment and disruption, while keeping a defined central mass for stability and command.